论文部分内容阅读
相对数是医学统计中应用最广泛的一种指标。用相对数分析一些数据资料,不仅显明易懂,而且还能反映出研究现象的水平。一、比(构成指标) 比(构成比)是表示某现象总例数内各
Relative numbers are the most widely used indicator in medical statistics. Using relative data to analyze some data is not only easy to understand but also reflects the level of research phenomena. A ratio (composition index) ratio (constitution ratio) is the number of total instances of a phenomenon